Masaya Tamura, Kousuke Murai, Marimo Matsumoto, “Design of Conductive Coupler for Underwater Wireless Power and Data Transfer,” IEEE Trans. Microwave Theory and Techniques, vol. 69, no. 1, pp.1161-1175, Jan. 2021.
https://ieeexplore.ieee.org/document/9291460
Shinji Nimura, Daigo Furusu, Masaya Tamura, “Improvement in Power Transmission Efficiency for Cavity Resonance-Enabled Wireless Power Transfer by Utilizing Probes With Variable Reactance,” IEEE Trans. Microwave Theory and Techniques, vol. 68, no. 7, pp.2734-2744, Jul. 2020.
https://ieeexplore.ieee.org/document/8952759
Masaya Tamura, Kousuke Murai, Hiroaki Matsukami, “Feasibility of Electric Double-Layer Coupler for Wireless Power Transfer Under Seawater,” IEICE Trans. Electronics, vol. E103-C, no. 6, pp.308-316, Jun. 2020.
https://search.ieice.org/bin/summary.php?id=e103-c_6_308
Daigo Furusu, Masaya Tamura, “Design of Capacitive Planar Power Transmitter and Receiver for Cavity Resonance enabled Wireless Power Transfer,” IEEE Microwave and Wireless Components Letters, vol. 29, no. 8, pp.566-568, Aug. 2019.
https://ieeexplore.ieee.org/document/8764613
Masaya Tamura, Yasumasa Naka, Kousuke Murai, Takuma Nakata, “Design of a Capacitive Wireless Power Transfer System for Operation in Fresh Water,” IEEE Trans. Microwave Theory and Techniques, vol. 66, no. 12, pp.5873-5884, Dec. 2018.
https://ieeexplore.ieee.org/document/8516348
Masaya Tamura, Yasumasa Naka, Kousuke Murai, “Design of Capacitive Coupler in Underwater Wireless Power Transfer Focusing on kQ Product,” IEICE Trans. Electronics, vol. E101-C, no. 10, pp.759-766, Oct. 2018.
http://search.ieice.org/bin/summary.php?id=e101-c_10_759
Masaya Tamura, Shosei Tomida, Kento Ichinose, “Design and Analysis of Multi-Mode Stripline Resonator and Its Application to Bandpass Filter,” IEICE Trans. Electronics, vol. E101-C, no. 3, pp.151-160, Mar. 2018.
http://search.ieice.org/bin/summary.php?id=e101-c_3_151
Ippei Takano, Daigo Furusu, Yosuke Watanabe, Masaya Tamura, “Cavity Resonator Wireless Power Transfer in an Enclosed Space with Scatterers utilizing Metal Mesh,” IEICE Trans. Electronics, vol. E100-C, no. 10, pp.841-849, Oct. 2017.
http://search.ieice.org/bin/summary.php?id=e100-c_10_841
Yasumasa Naka, Kyohei Yamamoto, Takuma Nakata, Masaya Tamura,“Improvement in Efficiency of Underwater Wireless Power Transfer with Electric Coupling,” IEICE Trans. Electronics, vol. E100-C, no. 10, pp.850-857, Oct. 2017.
http://search.ieice.org/bin/summary.php?id=e100-c_10_850
Tao Yang, Masaya Tamura, Tatsuo Itoh, “Compact and high-performance low-temperature co-fired ceramic balun filter using the hybrid resonator and symmetric four-port network,” IET Journals. Microwaves, Antennas and Propagation, vol.6, No.2, pp.121-126, Jan. 2012.
https://ieeexplore.ieee.org/document/6175200/
Masaya Tamura, Tao Yang, Tatsuo Itoh, “Very Compact and Low-profile LTCC Unbalanced-to-Balanced Filters with Hybrid Resonators,” IEEE Trans. Microwave Theory and Techniques, vol. 59, no. 8, pp. 1925-1936, Aug. 2011.
https://ieeexplore.ieee.org/document/5766066
Masaya Tamura, Hiroshi Kagata, “Analysis of Metal-Insulator-Metal Structure and Its Application to Sensor,” IEEE Trans. Microwave Theory and Techniques, vol. 58, no. 12, part 2, pp. 3954-3960, Dec. 2010.
https://ieeexplore.ieee.org/document/5613229
Tao Yang, Masaya Tamura, Tatsuo Itoh, “Super Compact Low-Temperature Co-Fired Ceramic Bandpass Filters Using the Hybrid Resonator,” IEEE Trans. Microwave Theory and Techniques, vol. 58, no. 11, pp. 2896-2907, Nov. 2010.
https://ieeexplore.ieee.org/document/5605641
Masaya Tamura, Toshio Ishizaki, Mohammed Reza M. Hashemi, Tatsuo Itoh, “Approach of Metamaterial-based Quarter-wave Resonator and its Application to Very Compact LTCC Bandpass Filter,” IEICE Trans. Electronics, vol. E93-C, no. 7, pp. 1078-1088, Jul. 2010.
http://search.ieice.org/bin/summary.php?id=e93-c_7_1078
Tao Yang, Masaya Tamura, Tatsuo Itoh, “Compact Hybrid Resonator With Series and Shunt Resonances Used in Miniaturized Filters and Balun Filters,” IEEE Trans. Microwave Theory and Techniques, vol. 58, no. 2, pp. 390-402, Feb. 2010.
https://ieeexplore.ieee.org/document/5398820
Masaya Tamura, Toshio Ishizaki, Michael Hoft, “Design and Analysis of Vertical Split Ring Resonator and its Application to Unbalanced-balanced Filter,” IEEE Trans. Microwave Theory and Techniques, vol. 58, no. 1, pp. 157-164, Jan. 2010.
https://ieeexplore.ieee.org/abstract/document/5356155
Michael Hoft, Masaya Tamura, Toshio Ishizaki, “Self-Compensation of Alignment Tolerances for Couplings in LTCC Filters,” Frequenz - Journal of RF-Engineering and Telecommunications, vol. 62, no. 9-10, pp. 216-221, Sep. 2008.
https://www.degruyter.com/view/journals/freq/62/9-10/article-p216.xml
会議 (Conferences)
Yasumasa Naka, Masaya Tamura, “Analysis and Optimization of Feeding Position on Electrode for High-Efficiency Capacitive Wireless Power Transfer,” 2021 Asian Wireless Power Transfer Workshop, KualaLumpur, Malaysia, Dec. 2021. (Online/On-site Conference Due to COVID-19)
Masaya Tamura, Kousuke Murai, Marimo Matsumoto, “Design of Disposable Film-Type Capacitive Wireless Charging for Implantable Medical Devices,” in Proc. 2021 IEEE MTT-S Int. Microwave Symposium, Atlanta, GA, Jun. 2021, pp.58-61. (In-person and Vertual Events Due to COVID-19)
https://ieeexplore.ieee.org/document/9574969
Yasumasa Naka, Masaya Tamura, “Distributed Equivalent-Circuit Representation of Capacitive Coupler,” 2020 Asian Wireless Power Transfer Week, Taipei, Dec. 2020. (Online/On-site Conference Due to COVID-19)
Masaya Tamura, Kousuke Murai, Yasumasa Naka, “(Invited) Design Theory of a Parallel-Plate Coupler for Underwater Wireless Power Transfer,” in Proc. 2020 IEEE MTT-S Int. Symp. on Radio-Frequency Integration Technology, Hiroshima, Japan, Sept. 2020, pp.256-258. (Online/On-site Conference Due to COVID-19)
https://ieeexplore.ieee.org/document/9226220
Daichi Shishido, Masaya Tamura, “Development of an Air-filled SIW Filter with Wideband Spurious Suppression,” in Proc. 2020 IEEE MTT-S Int. Symp. on Radio-Frequency Integration Technology, Hiroshima, Japan, Sept. 2020, pp.15-17. (Online/On-site Conference Due to COVID-19)
https://ieeexplore.ieee.org/document/9226173
Masaya Tamura, Kousuke Murai, Marimo Matsumoto, “Conductive Coupler for Wireless Power Transfer Under Seawater,” in Proc. 2020 IEEE MTT-S Int. Microwave Symposium, Los Angeles, CA, Aug. 2020, pp.1176-1179. (Vertual Conference Due to COVID-19)
https://ieeexplore.ieee.org/document/9224107
Keiichiro Yoshihara, Masaya Tamura, Yuichi Miyaji, Arokiaswami Alphones, “Dual Band SIW Cavity-Backed Crossed-Slot Antenna,” in Proc. 2019 Asia-Pacific Microwave Conference, Singapore, Dec. 2019, pp.1775-1778.
https://ieeexplore.ieee.org/document/9038831
Daiki Fujii, Shinji Nimura, Masaya Tamura, “(Special Session) Design of Differential Rectifier Circuit Focusing on Load Fluctuation of Storage Capacitor During Charging,” in Proc. 2019 Asia-Pacific Microwave Conference, Singapore, Dec. 2019, pp.1062-1064.
https://ieeexplore.ieee.org/document/9038188
Kousuke Murai, Masaya Tamura, “(Special Session)Improvements of Transfer Efficiency in Capacitive Wireless Power Transfer Under Seawater,” in Proc. 2019 Asia-Pacific Microwave Conference, Singapore, Dec. 2019, pp.840-842.
https://ieeexplore.ieee.org/document/9038820
Masaya Tamura, Kousuke Murai, Daiki Fujii, “(Special Session) Lightweight and High-Efficiency Coupler Suitable for Underwater WPT System,” in Proc. 2019 Asia-Pacific Microwave Conference, Singapore, Dec. 2019, pp.7-9.
https://ieeexplore.ieee.org/document/9038178
Masaya Tamura, Kousuke Murai, Shinji Nimura, “(Invited) Underwater WPT and Cavity Resonance Enabled WPT Focusing on Capacitive Coupling,” in Proc. 2019 Asian Wireless Power Transfer Workshop, Xi'an, China, Nov. 2019, pp.1-5.
Masaya Tamura, Kousuke Murai, Yasumasa Naka, “Capacitive Coupler Utilizing Electric Double Layer for Wireless Power Transfer Under Seawater,” in Proc. 2019 IEEE MTT-S Int. Microwave Symposium, Boston, MA, Jun. 2019, pp.1415-1418.
https://ieeexplore.ieee.org/document/8701013
Shinji Nimura, Daigo Furusu, Ippei Takano, Masaya Tamura,“Improvement in Transmission Efficiency for Cavity Resonance Enabled Wireless Power Transfer by Handling Cavity Impedance,” in Proc. 2018 Asia-Pacific Microwave Conference, Kyoto, Japan, Nov. 2018, pp.1423-1425.
https://ieeexplore.ieee.org/document/8617389
Masaya Tamura, Yasumasa Naka, Kousuke Murai, “Design of Capacitive Coupler for Wireless Power Transfer Under Fresh Water Focusing on kQ Product,” in Proc. 2018 IEEE MTT-S Int. Microwave Symposium, Philadelphia, PA, Jun. 2018, pp.1257-1260.
https://ieeexplore.ieee.org/document/8439174
Yasumasa Naka, Kousuke Murai, Masaya Tamura, “Design of coupler for high efficiency wireless power transfer under fresh water,” 2017 Asian Wireless Power Transfer Workshop, Singapore, Dec. 2017.
Kousuke Murai, Yasumasa Naka, Masaya Tamura, “Measurement of complex permittivity for fresh water under high electric field,” 2017 Asian Wireless Power Transfer Workshop, Singapore, Dec. 2017.
Daigo Furusu, Ippei Takano, Shinji Nimura, Masaya Tamura, “Design and Prototyping of Differential Power Receiver for Cavity Resonance enabled Wireless Power Transfer,” 2017 Asian Wireless Power Transfer Workshop, Singapore, Dec. 2017.
Ippei Takano, Daigo Furusu, Shinji Nimura, Masaya Tamura, “Development of Power Receiving Control Circuit for Cavity Resonance Enabled Wireless Power Transfer,” 2017 Asian Wireless Power Transfer Workshop, Singapore, Dec. 2017.
Masaya Tamura, Daigo Furusu, Ippei Takano, “Wireless Power and Information Transfer in Closed Space utilizing Frequency Selected Surfaces,” in Proc. 2017 IEEE MTT-S Int. Microwave Symposium, Honolulu, HI, Jun. 2017, pp.1046-1049.
http://ieeexplore.ieee.org/document/8058773/
Ippei Takano, Daigo Furusu, Yousuke Watanabe, Masaya Tamura, “Study on Cavity Resonator Wireless Power Transfer to Sensors in an Enclosed Space with Scatterers,” Proc. on 2017 IEEE MTT-S Int. Conf. on Microwaves for Intelligent Mobility, Nagoya, Japan, Mar. 2017, pp.1-4.
http://ieeexplore.ieee.org/document/7918861
Yasumasa Naka, Kyohei Yamamoto, Takuma Nakata, Masaya Tamura, Mitsuru Masuda (Furukawa Electric Co., Ltd.), “Verification Efficiency of Electric Coupling Wireless Power Transfer in Water,” Proc. on 2017 IEEE MTT-S Int. Conf. on Microwaves for Intelligent Mobility, Nagoya, Japan, Mar. 2017, pp.1-4.
http://ieeexplore.ieee.org/document/7918862
Masaya Tamura, Kento Ichinose, “Dual Band Filter with Quad-mode Stripline Resonator,” in Proc. of 46th European Microwave Conf., London, England, Oct. 2016, p.1-4.
http://ieeexplore.ieee.org/abstract/document/7824554
Yosuke Watanabe, Ippei Takano, Masaya Tamura, “Basic Study on Wireless Power Transfer in Shielded Space with Scatterers Based on Waveguide Theory,” 2015 Asian Wireless Power Transfer Workshop, New Taipei, Dec. 2015, pp.1-6.
Kyohei Yamamoto, Yasumasa Naka, Masaya Tamura, “Extraction of Complex Permittivity for Liquid Phase under RF High Power,” 2015 Asian Wireless Power Transfer Workshop, New Taipei, Dec. 2015, pp.1-5.
Masaya Tamura, “Study on Transmission Zero of Filter with CRLH-TL Resonators consisting of Asymmetric Cells,” Proc. of Int. conference on Global Network for Innovative TEchnology, Penang, Malaysia, Dec. 2014, pp.197-201.
Koji Sonoda, Takayuki Fujita, Kensuke Kanda, Kazusuke Maenaka, Hideaki Katsumura, Masaya Tamura, Hiroshi Kagata, “SPICE Modeling of Piezoelectric Energy Harvesting Device utilizing Stress Influence,” Proc. of IEEE The 2nd Int. Workshop on energy and Wireless Sensors, Beijing, China, Aug. 2013, pp.1662-1664.
https://ieeexplore.ieee.org/document/6682314
Masaya Tamura, Hiroshi Kagata, “Analysis of Plasmon Excited by Metal-Insulator-Metal Structure with Insulator Thickness of Hundreds of Nanometers,” in Proc. 2010 IEEE MTT-S Int. Microwave Symposium, Digest, vol. 1, Anaheim, CA, May 2010, pp. 356-359.
https://ieeexplore.ieee.org/document/5515132
Toshio Ishizaki, Masaya Tamura, Catherine A. Allen, Tatsuo Itoh, “Left-Handed Band Pass Filter Realized by Coupled Negative Order Resonators,” in Proc. 2008 IEEE MTT-S Int. Microwave Symposium Digest, vol. 2, Atlanta, GA, Jun. 2008, pp. 1107-1110.
https://ieeexplore.ieee.org/document/4633250
Michael Hoft, Masaya Tamura, Toshio Ishizaki, “Self-compensation of alignment tolerances for series capacitors in LTCC Filters with stepped impedance resonators,” in Proc. German Microwave Conf., Hamburg, Germany, Mar. 2008, pp. 1-4.
https://ieeexplore.ieee.org/document/5757072
Masaya Tamura, Toshio Ishizaki, Michael Hoeft, Hidekazu Tamai, “Novel Vertical Split Ring Resonator Fabricated in LTCC,” 2007 IEEE Korea-Japan Microwave Conf., Naha, Japan, Nov. 2007, pp. 105-108.
https://ieeexplore.ieee.org/document/4402251
Shigeo Kawasaki, Takeshi Yamamoto, Yasuyuki Sakurai, Harunobu Seita, Katsutoshi Nakajima, Kyoji Kanazawa, Masaya Tamura, Toshio Ishizaki, Tamotsu Suda, “Fabrication of a Proto-Type Active Integrated Antenna for a Compact and High-Power Phased Array System” Proc. of Int. Symposium on Ant. and Prop., Niigata, Japan, Aug. 2007, pp.1278-1281.
Daiki Fujii, Masaya Tamura, “Design of differential rectifier circuit focusing on load fluctuation of storage capacitor during charging,” IEEE AP/MTT-S Midland Student Express 2019 Spring, S2-5, Nagoya, April 2019.
Taichi Shishido, Masaya Tamura, “Development of Low-profile Base Station Filter for Beyond 5G,” IEEE AP/MTT-S Midland Student Express 2019 Spring, S1-3, Nagoya, April 2019.
Tatsuya Morita, Masaya Tamura, “Integrated Structure of Filter and Element in Array Antenna for 5th Generation,” IEEE AP/MTT-S Midland Student Express 2018 Spring, S4-4, Nagoya, April 2018.
Shinji Nimura, Masaya Tamura, “Matching Method for Cavity Resonance enabled WPT utilizing the Monopole probe with the Variable Reactance Circuit,” IEEE AP/MTT-S Midland Student Express 2018 Spring, S4-2, Nagoya, April 2018.
Takuma Nagao, Masaya Tamura, “Quadruple-mode cavity resonator aimed at compactness and high Q factor,” IEEE AP/MTT-S Midland Student Express 2017 Spring, S2-5, Nagoya, April 2017.
Daigo Furusu, Masaya Tamura, “Wireless Power and Information Transfer Utilizing Frequency Selected Surfaces,” IEEE AP/MTT-S Midland Student Express 2017 Spring, S2-6, Nagoya, April 2017.
Ippei Takano, Masaya Tamura, “Study on point-to-multipoint wireless power transfer technology in the enclosed space with scatterers,” IEEE AP/MTT-S Midland Student Express 2016 Spring, S3-4, Nagoya, April 2016.
Shosei Tomida, Masaya Tamura, “Establishment of Design Approach for Bandpass Filter using Triple-mode Stripline Resonator,” IEEE AP/MTT-S Midland Student Express 2016 Spring, S3-3, Nagoya, April 2016.
Yosuke Watanabe, Masaya Tamura, “Basic study of efficiency improvement for wireless power transmission in closed space with scatterers,” IEEE AP/MTT-S Midland Student Express 2015 Spring, S4-1, Nagoya, April 2015.
Masaya Tamura, “Underwater Wireless Power Transfer System Utilizing Conductivity of Seawater,”International Workshop on Wireless Power Supply Solutions for the Next Generation Vehicle, Hybrid conference, 2021年9月29日
Masaya Tamura, Toshio Ishizaki, “Left-handed filter for use in mobile phone provided with wide band and improved propagation characteristics,” U.S.Patent 8334733B2.
Toshio Ishizaki, Masaya Tamura, “Resonator and filter using the same,” U.S.Patent 8248190B2.
田村昌也, 石崎俊雄, 「共振器とそれを用いたフィルタおよび電子機器」 特許第5061794号.
田村昌也, 石崎俊雄, 「左手系フィルタ」 特許第5045349号.
Toshio Ishizaki, Masaya Tamura, “Transmission line resonator, high-frequency filter using the same, high-frequency module, and radio device,” U.S.Patent 8222975B2.